Cotton Root Rot Fungal Mat

Cotton root rot fungal mats.

Cotton root rot fungal mat.

On grapevines it can be very devastating to growers in texas and the southwestern u s. This is a soilborne fungus that lay dormant in the soil for many years. Grape cotton root rot is a nasty fungal disease affecting over 2 300 plant species. Base the depth on equipment and horsepower of tractor.

Cotton root rot caused by the fungus phymatotrichum omnivorum also is known by several other names such as phymatotrichum root rot texas root rot and ozonium root rot. Cotton root rot phymatotrichum omnivorum affects more then 2 000 plant species according to texas a m university. Phymatotrichopsis root rot also known as cotton root rot phymatotrichum root rot texas root rot and ozonium root rot is a major fungal disease of cotton occurring within large areas of texas and arizona causing annual losses in texas alone of up to 29 million. Shred stalks moldboard plow and flat break infested areas immediately after harvest 6 to 10 inches deep.

It is one of the most destructive plant diseases and attacks more than 2 000 species. Cotton root rot control strategy for cotton. You can see the cottony like mats and the decay that is occuring at the base of the trunk. Cotton root rot caused by the fungus phymatotrichum omnivorum also is known by several other names such as phymatotrichum root rot texas root rot and ozonium root rot.

It is one of the most destructive plant diseases and attacks more than 2 000 species. As you may guess cotton a common crop that is grown in north texas is very susceptible to. In this photo we wanted to show you what the sporemats of cotton root rot looks like when they emerge on the soil or tree surface. Cotton root rot is very difficult to control.

Click the following article for more information. One disease that has over 2 300 host species 1 800 dicots is known as phymatotrichopsis omnivora also referred to as cotton root rot texas root rot and ozonia root rot. Map fields to define areas infested with the fungus. The fungus thrives in clay loam soil conditions where ph is between 7 0 to 8 5.

If you see this fungus on the soil or your tree there s a problem. Use sufficient speed to insure good inversion of the plow slice.